43203834461 has 2 divisors, whose sum is σ = 43203834462. Its totient is φ = 43203834460.

The previous prime is 43203834439. The next prime is 43203834521. The reversal of 43203834461 is 16443830234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42737706361 + 466128100 = 206731^2 + 21590^2 .

It is a cyclic number.

It is not a de Polignac number, because 43203834461 - 2¹⁰ = 43203833437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43203134461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21601917230 + 21601917231.

It is an arithmetic number, because the mean of its divisors is an integer number (21601917231).

Almost surely, 2^43203834461 is an apocalyptic number.

It is an amenable number.

43203834461 is a deficient number, since it is larger than the sum of its proper divisors (1).

43203834461 is an equidigital number, since it uses as much as digits as its factorization.

43203834461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 43203834461 in words is "forty-three billion, two hundred three million, eight hundred thirty-four thousand, four hundred sixty-one".